Cited by 47Thyroid Disorders and TreatmentsThyroid Cancer Diagnosis and TreatmentThyroid and Parathyroid Surgery

Thyroid hormone and its metabolites in relation to quality of life in patients treated for differentiated thyroid cancer

Massolt, E.T., van der Windt, M., Korevaar, T.I.M., Kam, B.L.R., Burger, J.W., Franssen, G.J.H., Lehmphul, I., Köhrle, J. +2 more·2016·Clinical Endocrinology

Abstract

Summary: Background: Levothyroxine (LT 4) is the standard of care in patients with hypothyroidism. Despite this replacement therapy, quality of life (QoL) remains impaired in a substantial amount of patients. The reasons for this are still a matter of debate. Suggested causes include lack of endogenous T3 secretion by the thyroid, changes in other thyroid hormone metabolites and interference by autoimmune processes. Objective: To investigate the association between thyroid function tests (TFT s) and QoL in patients with a history of differentiated thyroid cancer on LT 4 monotherapy. These patients lack endogenous thyroidal T3 secretion in the absence of autoimmune disease. Materials and Methods: This is a cross‐sectional study in 143 patients (69·2% female). Initial therapy consisted of total thyroidectomy followed by radioiodine ablation minimally one year before inclusion. We assessed health‐related QoL (RAND‐36), thyroid‐specific QoL (Thy PRO) and fatigue with the Multidimensional Fatigue Inventory. Extensive TFT s were assessed, including 3,5‐diiodo‐L‐thyronine (3,5‐T2). Results: Mean age was 50·2 years and mean time since diagnosis was 8·4 years. Median TSH was 0·042 mU/l, total T4 145·0 nmol/l, free T4 25·6 pmol/l, total T3 1·93 nmol/l, reverse T3 0·53 nmol/l and 3,5‐T2 0·86 nmol/l. Multiple linear regression analyses did not show any association between QoL and the different TFT s, including T4/T3 and 3,5‐T2/T3 ratios reflecting peripheral metabolism. Conclusion: We did not find any association between TFT s and QoL in athyreotic patients on LT 4 monotherapy. Our data do not provide evidence that a slight increase in dose improves fatigue or well‐being in hypothyroid patients on LT 4 therapy.

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Crossref · 10.1111/cen.13101

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  • The observed patterns in sera of the four studies contradict prior observations that higher 3,5-T2 concentrations were observed in thyroidectomized patients on oral T4 replacement therapy.

    “However, these observed patterns in sera of these four studies do contradict the above-mentioned observations that higher 3,5-T2 concentrations were observed in thyroidectomized patients on oral T4 replacement therapy (20, 62).”

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Authors
Massolt, E. T., van der Windt, M., Korevaar, T. I. M., Kam, B. L. R., Burger, J. W., Franssen, G. J. H., Lehmphul, I., Köhrle, J., Visser, W. E., & Peeters, R. P.
Affiliations
  • Erasmus MC (NL)
  • Division of Endocrinology Department of Internal Medicine Erasmus MC Rotterdam the Netherlands
  • Erasmus MC Cancer Institute (NL)
  • Charité – Universitätsmedizin Berlin (DE)
Corresponding author
Massolt, E.T.
Venue
Clinical Endocrinology
Publisher
Wiley
Published
2016-06-13
Volume
85
Issue
5
Pages
781-788
ISSN
  • 0300-0664 (ISSN-L)
  • 1365-2265
OpenAlex
W2385280152
Cited by
47
References
16
Citations by year
2025: 5 · 2024: 5 · 2023: 3 · 2022: 4 · 2021: 6 · 2020: 2 · 2019: 9 · 2018: 5 · 2017: 7 · 2016: 1
FWCI
7.36
Type
journal article
Language
en
Open access
closed
Locations
  • Clinical Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
  • EUR Research Repository (Erasmus University Rotterdam) (publishedVersion)
  • EUR Research Repository (Erasmus University Rotterdam) (submittedVersion)
Funders
  • Zon-MW TOP (91212044)
  • DFG Grants Priority Programme
  • Erasmus MC MRACE (1629)
  • Thyroid Trans Act (KO-922/17-1/2)
  • DFG Graduate Programme (GRK 1208/2 TP 3)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Thyroid Disorders and Treatments
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Thyroid Cancer Diagnosis and Treatment
  • Health Sciences › Medicine › Surgery › Thyroid and Parathyroid Surgery
Keywords
thyroid hormone metabolites, quality of life, levothyroxine monotherapy, differentiated thyroid cancer, hypothyroidism, 3,5-diiodo-L-thyronine, reverse T3, T4/T3 ratio, thyroid function tests, fatigue, total thyroidectomy, radioiodine ablation, athyreosis
MeSH terms
Fatigue, Female, Humans, Male, Middle Aged, Quality of Life, Thyroid Function Tests, Thyroid Hormones, Thyroid Neoplasms, Thyroxine, Triiodothyronine

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